Home / 110,087.90-151,984.32-72,471.50

Finding the Fourth Proportional to 110,087.90, 151,984.32 and 72,471.50

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Solution

The fourth proportional to 110,087.90, 151,984.32 and 72,471.50 is: 100,052.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,087.90 : 151,984.32 = 72,471.50 : x
  2. Step 2: Convert to fraction form
    110,087.90/151,984.32 = 72,471.50/x
  3. Step 3: Cross multiply
    110,087.90x = 151,984.32 × 72,471.50
  4. Step 4: Simplify right side
    110,087.90x = 11,014,531,646.88
  5. Step 5: Solve for x
    x = 11,014,531,646.88/110,087.90
  6. Step 6: Final answer
    x = 100,052.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.